The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 4501 | Cronus | £ 90,469,513 | |
| 4502 | Cronz | £ 4,636,220 | |
| 4503 | Crooked Chucks | £ 79,181 | |
| 4504 | Crooked Churches | £ 8,834,426 | |
| 4505 | CROOKSFAM | £ 12,077,746 | |
| 4506 | crosses | £ 418,652,478 | |
| 4507 | Crossmaglen | £ 5,505,253 | |
| 4508 | Crossroads | £ 134,449,031 | |
| 4509 | Crow Museum | £ 671,227,813 | |
| 4510 | Crowley Inc. | £ 1,245,484 | |
| 4511 | crows | £ 5,500,389 | |
| 4512 | Crud | £ 60,735,434 | |
| 4513 | Crude | £ 94,571 | |
| 4514 | Cruise Corp | £ 2,423,819 | |
| 4515 | Cruise Missiles | £ 50,180,435 | |
| 4516 | cruiser | £ 34,536,206 | |
| 4517 | cruke industries | £ 1,467,833 | |
| 4518 | Crumbling Walls | £ 54,641,290 | |
| 4519 | Crumpet | £ 8,523,238 | |
| 4520 | Crumpet Caves | £ 4,207,952 | |
| 4521 | Crumpet Condos | £ 5,506,649 | |
| 4522 | Crumpets R Crunk | £ 15,040,978 | |
| 4523 | Crunch Co. | £ 58,329,126 | |
| 4524 | Crunch Co. 2 | £ 17,839,558 | |
| 4525 | Crunch Co. 3 | £ 4,458,354 | |
| 4526 | Crunchie | £ 1,358,134,703 | |
| 4527 | Crus Enterprises | £ -6,372,218 | |
| 4528 | crusader | £ 57,238,297 | |
| 4529 | Crush | £ 416,050,463 | |
| 4530 | Cryleo | £ 122,508 | |
| 4531 | Crypto City | £ 501,590,224 | |
| 4532 | Cryptocurrency | £ 41,990,838 | |
| 4533 | Crypton | £ 89,444,064 | |
| 4534 | Crystal Clear Air | £ 876,903,896 | |
| 4535 | Crystal Clear Tank | £ 11,443,957 | |
| 4536 | Csage | £ 98,162,729 | |
| 4537 | Csage2 | £ 99,621,232 | |
| 4538 | Csage3 | £ 62,852,707 | |
| 4539 | Csage4 | £ 61,364,597 | |
| 4540 | Csage5 | £ 5,402,022 | |
| 4541 | Csage6 | £ 5,502,145 | |
| 4542 | CSI | £ 7,241,053 | |
| 4543 | CSIS | £ 1,570,619 | |
| 4544 | CST Photography | £ 50,464,511 | |
| 4545 | CSTPhotography 6 | £ 20,376,078 | |
| 4546 | CSTPhotography 7 | £ 22,129,189 | |
| 4547 | CSTPhotography 8 | £ 21,863,841 | |
| 4548 | CSTPhotography2 | £ 30,989,552 | |
| 4549 | CSTPhotography3 | £ 26,100,838 | |
| 4550 | CSTPhotography4 | £ 36,737,311 | |
| 4551 | CSTPhotography5 | £ 31,737,697 | |
| 4552 | Cthulhu | £ 65,626,904 | |
| 4553 | Cthulhu Corp | £ 5,503,404 | |
| 4554 | Cthulhu Sleeps | £ 1,035,686,271 | |
| 4555 | CTI | £ 4,783,705 | |
| 4556 | CTowers | £ 5,026,966 | |
| 4557 | CTU | £ 3,183,621 | |
| 4558 | Cuba | £ 46,040,107 | |
| 4559 | Cuban Rum | £ 27,147,126 | |
| 4560 | Cube | £ 11,923,402 | |
| 4561 | Cube Inc. | £ 5,507,410 | |
| 4562 | cuberdons | £ 8,923,048 | |
| 4563 | Cubic Works | £ 7,695,062 | |
| 4564 | Cubicstan | £ 3,037,220 | |
| 4565 | Cuckold | £ 3,990,750 | |
| 4566 | Cuckoo Ltd | £ 4,991,067 | |
| 4567 | Cucumber | £ 2,015,046,897 | |
| 4568 | Cue | £ 621,309 | |
| 4569 | Cufin | £ 4,931,482 | |
| 4570 | Cullins | £ 589,733,633 | |
| 4571 | Culliver City | £ 19,474,104 | |
| 4572 | Culo | £ 54,280,976 | |
| 4573 | cult and co | £ 23,957,017 | |
| 4574 | cultural appropriation | £ 231,081,978 | |
| 4575 | Cultural Expressions | £ 167,279,109 | |
| 4576 | Cumann Luthchleas Gael | £ 5,502,913 | |
| 4577 | Cuneo | £ 57,638,840 | |
| 4578 | Cunnilingus | £ 114,231,725 | |
| 4579 | Cunnys Trading Company | £ 982,076 | |
| 4580 | Cup | £ 19,851,641 | |
| 4581 | Cup0fTea | £ 253,762,330 | |
| 4582 | Cupid Stunts PLC | £ 276,395,414 | |
| 4583 | Cups | £ 65,928,983 | |
| 4584 | Current Charges | £ 272,053,370 | |
| 4585 | Currents | £ 48,241,725 | |
| 4586 | Curry-clanRob | £ 5,507,441 | |
| 4587 | Cursed World | £ 3,320,256 | |
| 4588 | curtains | £ 365,303,983 | |
| 4589 | Curve | £ 1,327,620 | |
| 4590 | Curz Corp | £ 50,000 | |
| 4591 | Cusco | £ 49,723,499 | |
| 4592 | Cushion | £ 40,606,248 | |
| 4593 | Cushty Son | £ 0 | |
| 4594 | Custard | £ 57,094,161 | |
| 4595 | Custard Pie | £ 668,701,487 | |
| 4596 | Cut | £ 192,062,776 | |
| 4597 | Cute Boys Dx | £ 5,861,264 | |
| 4598 | Cute Red Industries | £ 61,322,810 | |
| 4599 | Cuthberts Coachworks | £ 596,602,678 | |
| 4600 | cutter | £ 37,900,521 | |
